The MK80A concealed hinge is for wood or hollow metal doors with a 1-3/8" minimum thickness. It is non-handed, corrosion-resistant, and includes magnetic covers. Product Overview Features For wood or hollow metal doors that are a minimum 1-3/8" thick Cataphoresis coating provides a durable and corrosion-resistant surface Magnetic covers included 3-dimensional adjustability 180° opening angle UL Listed Base Materials: Hinge body and arms - Zinc alloy, Hinge covers - ABS plastic Benefits Virtually disappears from view when the door is closed Provides aesthetic continuity when the door is open Refined and minimal Magentic covers conceal screws for a clean aesthetic 20-minute fire rating hollow metal, steel-covered composite, and wood core fire doors Greater hinge capacity than the MK4001A Easy installation and door alteration Inches Millimeters Gauge No. of Holes Fastener 4 3/8" x 1 1/8" 111.5 x 29 4 3/8 4 Metal: M5 x 20 screws, Wood: 35mm PHWS Specifications Handing: Non-handed Certifications UL Listed Number of Hinges Door Width 32" 36" 38" 42" 48" 2 185 lbs 176 lbs 164 lbs 143 lbs 132 lbs 3 211 lbs 198 lbs 184 lbs 160 lbs 149 lbs 4 233 lbs 220 lbs 197 lbs 171 lbs 158 lbs
